. >>> northern virginia bureau chief julie carey shows us thanks to technology, two students got to spend part of the day with their dad serving in afghanistan. >> reporter: these students are on quite the veterans day field trip. with the help of a web conferencing app they traveled 7,000 miles to kandahar, afghanistan, to spend time with colonel mike olson, the parent of two students. >> i wear one uniform for one week. >> reporter: the tradition of inviting in relatives or service members on veterans day started about four years ago. and this year, when lieutenant olson's name came up as a representative for the sixth grade, the fact that he was in afghanistan didn't deter them. with a third grade daughter and fifth grader and wife sarah watching along, they took the kids along on a slide tour he created for his life in afghanistan. >> on the right-hand side you can see i've got my bed. >> reporter: a bed in a very small stark room, except for this wall. covered with artwork sent by his third grader's classmates. they got to see the dining hall and vehicle. then they got to ask questio